(colloquial) To lose one's cool; to suddenly break out in anger.

(idiomatic) A well-thought-out reason for a person's seemingly illogical behavior.

To perform at one's maximum; to begin to excel; to hit one's stride.

(informal) It is one's time to die, or to undergo some other difficult experience.

(Internet slang) Expressing complete rejection or aversion; no way.

To find oneself unable to speak; to be able to come up with nothing to say.

To pinch one's nostrils closed with one's fingers, usually to block out an unpleasant smell. / (figuratively) To reluctantly overcome one's revulsion.

(slang, vulgar) To vomit violently.

Alternative form of onwards and upwards

simple past tense and past participle of stand on one's head